Dragon & Thief is by Timothy Zahn. The first book in the Dragonback series. A charming science fiction story set in space. A young thief wanders through a wrecked space ship and finds himself the host of a K'da warrior. The K'da are a race of dragon warriors who need a host to survive for more than six hours. Jack finds himself drawn into a battle to clear himself of a crime he didn't commit and save the K'da race from a mysterious conspiracy to destroy them. A story boys will thoroughly enjoy.
Ratings: 6th grade - 8 out of 10.